5. Property and equipment (Details Narrative) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Property And Equipment Details Narrative
Depreciation expense			$ 1,642,147	$ 1,622,687
General and administrative expense	3,427	21,829	8,058	44,053
Fixed assets and rental property	31,827,386		31,827,386
Bank loans	$ 21,474,892		$ 21,474,892		$ 21,155,359